DESCRIPTION

This is the Segmentation application, version 5.2.0 Performs segmentation of an image, and output either a raster or a vector file. In vector mode, large input datasets are supported.

Complete documentation: http://www.orfeo-toolbox.org/Applications/Segmentation.html

Parameters:

-progress

<boolean> Report progress

 -in                         <string>         Input Image  (mandatory)

-filter

<string> Segmentation algorithm [meanshift/cc/watershed/mprofiles] (mandatory, default value is meanshift)

-filter.meanshift.spatialr

<int32> Spatial radius (mandatory, default value is 5)

-filter.meanshift.ranger

<float> Range radius (mandatory, default value is 15)

-filter.meanshift.thres

<float> Mode convergence threshold (mandatory, default value is 0.1)

-filter.meanshift.maxiter

<int32> Maximum number of iterations (mandatory, default value is 100)

-filter.meanshift.minsize

<int32> Minimum region size (mandatory, default value is 100)

-filter.cc.expr

<string> Condition (mandatory)

-filter.watershed.threshold <float>

Depth Threshold (mandatory, default value is 0.01)

-filter.watershed.level

<float> Flood Level (mandatory, default value is 0.1)

-filter.mprofiles.size

<int32> Profile Size (mandatory, default value is 5)

-filter.mprofiles.start

<int32> Initial radius (mandatory, default value is 1)

-filter.mprofiles.step

<int32> Radius step. (mandatory, default value is 1)

-filter.mprofiles.sigma

<float> Threshold of the final decision rule (mandatory, default value is 1)

-mode

<string> Processing mode [vector/raster] (mandatory, default value is vector)

 -mode.vector.out            <string>         Output vector file  (mandatory)

-mode.vector.outmode

<string> Writing mode for the output vector file [ulco/ovw/ulovw/ulu] (mandatory, default value is ulco)

-mode.vector.inmask

<string> Mask Image (optional, off by default)

-mode.vector.neighbor

<boolean> 8-neighbor connectivity (optional, off by default)

-mode.vector.stitch

<boolean> Stitch polygons (optional, on by default)

-mode.vector.minsize

<int32> Minimum object size (optional, off by default, default value is 1)

-mode.vector.simplify

<float> Simplify polygons (optional, off by default, default value is 0.1)

-mode.vector.layername

<string> Layer name (mandatory, default value is layer)

-mode.vector.fieldname

<string> Geometry index field name (mandatory, default value is DN)

-mode.vector.tilesize

<int32> Tiles size (mandatory, default value is 1024)

-mode.vector.startlabel

<int32> Starting geometry index (mandatory, default value is 1)

-mode.vector.ogroptions

<string list> OGR options for layer creation (optional, off by default)

-mode.raster.out

<string> [pixel] Output labeled image [pixel=uint8/uint16/int16/uint32/int32/float/double] (default value is uint32) (mandatory)

-inxml

<string> Load otb application from xml file (optional, off by default)

EXAMPLES

Example of use with vector mode and watershed segmentation otbgui_Segmentation -in QB_Toulouse_Ortho_PAN.tif -mode vector -mode.vector.out SegmentationVector.sqlite -filter watershed Example of use with raster mode and mean-shift segmentation otbgui_Segmentation -in QB_Toulouse_Ortho_PAN.tif -mode raster -mode.raster.out SegmentationRaster.tif uint16 -filter meanshift